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Finding the Fourth Proportional to 38,664.99, 58,019.01 and 20,895.30

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Solution

The fourth proportional to 38,664.99, 58,019.01 and 20,895.30 is: 31,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.99 : 58,019.01 = 20,895.30 : x
  2. Step 2: Convert to fraction form
    38,664.99/58,019.01 = 20,895.30/x
  3. Step 3: Cross multiply
    38,664.99x = 58,019.01 × 20,895.30
  4. Step 4: Simplify right side
    38,664.99x = 1,212,324,619.65
  5. Step 5: Solve for x
    x = 1,212,324,619.65/38,664.99
  6. Step 6: Final answer
    x = 31,354.58

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